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test: migrate math/base/special/kernel-betaincinv to ULP-based testing #14349

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Merged
kgryte merged 1 commit into from
Aug 17, 2026
Merged

test: migrate math/base/special/kernel-betaincinv to ULP-based testing #14349

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13 changes: 2 additions & 11 deletions lib/node_modules/@stdlib/math/base/special/kernel-betaincinv/test/test.js
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Original file line number Diff line number Diff line change
Expand Up @@ -21,8 +21,7 @@
// MODULES //

var tape = require( 'tape' );
var abs = require( '@stdlib/math/base/special/abs' );
var EPS = require( '@stdlib/constants/float64/eps' );
var isAlmostSameValue = require( '@stdlib/assert/is-almost-same-value' );
var kernelBetaincinv = require( './../lib' );


Expand All @@ -41,8 +40,6 @@ tape( 'main export is a function', function test( t ) {

tape( 'the function evaluates the inverse of the lower regularized incomplete beta function', function test( t ) {
var expected;
var delta;
var tol;
var y;
var i;
var a;
Expand All @@ -55,13 +52,7 @@ tape( 'the function evaluates the inverse of the lower regularized incomplete be
expected = data.y;
for ( i = 0; i < p.length; i++ ) {
y = kernelBetaincinv( a[i], b[i], p[i], 1.0-p[i] )[ 0 ];
if ( y === expected[i] ) {
t.strictEqual( y, expected[i], 'a: '+a[i]+'. b: '+b[i]+'. p: '+p[i]+', y: '+y+'. expected: '+expected[i] );
} else {
delta = abs( y - expected[ i ] );
tol = 15.0 * EPS * abs( expected[ i ] );
t.ok( delta <= tol, 'within tolerance. a: '+a[i]+'. b: '+b[i]+'. p: '+p[i]+'. y: '+y+'. E: '+expected[i]+'. Δ: '+delta+'. tol: '+tol );
}
t.strictEqual( isAlmostSameValue( y, expected[ i ], 20 ), true, 'returns expected value' );
}
t.end();
});
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